SK15312000A3 - SPâSOB VíROBY ESTERIFIKOVANíCH CHRŕMANOVíCH ZLé¬ENÖN - Google Patents

SPâSOB VíROBY ESTERIFIKOVANíCH CHRŕMANOVíCH ZLé¬ENÖN Download PDF

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Publication number
SK15312000A3
SK15312000A3 SK1531-2000A SK15312000A SK15312000A3 SK 15312000 A3 SK15312000 A3 SK 15312000A3 SK 15312000 A SK15312000 A SK 15312000A SK 15312000 A3 SK15312000 A3 SK 15312000A3
Authority
SK
Slovakia
Prior art keywords
tmhq
reaction
product
ester
diester
Prior art date
Application number
SK1531-2000A
Other languages
English (en)
Slovak (sk)
Inventor
Horst Weigel
Steffen Krill
Dr. Hasselbach Hans Joachim
Klaus Huthmacher
Original Assignee
Degussa-h�ls aktiengesellschaft
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Degussa-h�ls aktiengesellschaft filed Critical Degussa-h�ls aktiengesellschaft
Publication of SK15312000A3 publication Critical patent/SK15312000A3/sk

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
    • C07D311/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D311/04—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
    • C07D311/58—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring other than with oxygen or sulphur atoms in position 2 or 4
    • C07D311/70—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring other than with oxygen or sulphur atoms in position 2 or 4 with two hydrocarbon radicals attached in position 2 and elements other than carbon and hydrogen in position 6
    • C07D311/72—3,4-Dihydro derivatives having in position 2 at least one methyl radical and in position 6 one oxygen atom, e.g. tocopherols
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/582—Recycling of unreacted starting or intermediate materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
SK1531-2000A 1999-10-22 2000-10-13 SPâSOB VíROBY ESTERIFIKOVANíCH CHRŕMANOVíCH ZLé¬ENÖN SK15312000A3 (sk)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19951006A DE19951006A1 (de) 1999-10-22 1999-10-22 Verfahren zur Herstellung von veresterten Chromanverbindungen

Publications (1)

Publication Number Publication Date
SK15312000A3 true SK15312000A3 (sk) 2001-09-11

Family

ID=7926579

Family Applications (1)

Application Number Title Priority Date Filing Date
SK1531-2000A SK15312000A3 (sk) 1999-10-22 2000-10-13 SPâSOB VíROBY ESTERIFIKOVANíCH CHRŕMANOVíCH ZLé¬ENÖN

Country Status (10)

Country Link
US (1) US6329535B1 (cg-RX-API-DMAC7.html)
EP (1) EP1094062A1 (cg-RX-API-DMAC7.html)
CN (1) CN1150182C (cg-RX-API-DMAC7.html)
BR (1) BR0004965A (cg-RX-API-DMAC7.html)
CA (1) CA2323840A1 (cg-RX-API-DMAC7.html)
DE (1) DE19951006A1 (cg-RX-API-DMAC7.html)
ID (1) ID27701A (cg-RX-API-DMAC7.html)
IL (1) IL139178A (cg-RX-API-DMAC7.html)
IN (1) IN188710B (cg-RX-API-DMAC7.html)
SK (1) SK15312000A3 (cg-RX-API-DMAC7.html)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5250552A (en) * 1991-05-09 1993-10-05 Warner-Lambert Company 3-[thiazolidinone, oxazolidinone, imidazolidinone]-indoles as antiinflammatory agents
WO2013185006A2 (en) * 2012-06-07 2013-12-12 The Charles Stark Draper Laboratory, Inc. Chemical compositions and methods of using same
CN106565659B (zh) * 2016-11-01 2019-06-18 万华化学集团股份有限公司 一种制备维生素e乙酸酯的方法
US12077801B2 (en) 2017-04-07 2024-09-03 Dsm Ip Assets B.V. Regioselective hydroxylation of isophorone
CN109970553B (zh) * 2019-04-03 2021-09-03 万华化学集团股份有限公司 一种制备2,3,5-三甲基氢醌二酯的方法
CN115745938B (zh) * 2022-11-15 2024-05-03 万华化学集团股份有限公司 一种连续制备维生素e乙酸酯的方法
CN116730804A (zh) * 2023-02-23 2023-09-12 吉林北沙制药有限公司 一种2,3,6-三甲基氢醌二乙酸酯的回收再利用方法
CN116535377B (zh) * 2023-05-04 2025-06-10 山东新和成精化科技有限公司 一种维生素e醋酸酯的制备工艺

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0808815B1 (de) * 1996-05-14 2001-08-16 Degussa AG Verfahren zur Herstellung von Trimethylhydrochinon
DE19619570A1 (de) 1996-05-15 1997-11-20 Degussa Verfahren zur Herstellung von Ketoisophoron
EP0850910B1 (en) * 1996-12-27 2001-11-21 Daicel Chemical Industries, Ltd. A method for producing trimethylhydroquinone diester
JPH11140019A (ja) * 1997-11-12 1999-05-25 Daicel Chem Ind Ltd ハイドロキノンジエステル誘導体及びその製造方法
DE19757124A1 (de) * 1997-12-20 1999-06-24 Degussa Verfahren zur Herstellung von alpha-Tocopherolestern
DE19805690A1 (de) * 1998-02-12 1999-08-19 Degussa Verfahren zur Herstellung von Trimethydrochinondiestern und von Trimethylhydrochinon
DE19817644A1 (de) * 1998-04-21 1999-10-28 Degussa Neues Verfahren zur Herstellung von 2,3,5-Trimethylhydrochinondiestern
DE19821379A1 (de) * 1998-05-13 1999-11-18 Degussa Verbessertes Verfahren zur Herstellung von 3,5,5-Trimethylcyclohexa-3-en-1-on(beta-Isophoron durch Isomerisierung von 3,5,5-Trimethylcyclohexa-2-en-1-on(alpha-Isophoron)(II)
DE19903269A1 (de) * 1999-01-28 2000-08-03 Degussa Verfahren zur Herstellung von 2,3,5-Trimethylhydrochinondiestern

Also Published As

Publication number Publication date
US6329535B1 (en) 2001-12-11
DE19951006A1 (de) 2001-04-26
IL139178A (en) 2004-07-25
BR0004965A (pt) 2001-06-19
IN188710B (cg-RX-API-DMAC7.html) 2002-10-26
IL139178A0 (en) 2001-11-25
ID27701A (id) 2001-04-26
EP1094062A1 (de) 2001-04-25
CN1150182C (zh) 2004-05-19
CA2323840A1 (en) 2001-04-22
CN1308077A (zh) 2001-08-15

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